public void CloneShouldReturnObjectWithTheSameHashCode()
{
var card = new Card(CardSuit.Spade, CardType.Nine);
var newCard = card.DeepClone();
Assert.IsNotNull(newCard);
Assert.AreEqual(card.GetHashCode(), newCard.GetHashCode());
}
public void FromHashCodeShouldCreateCardsWithTheGivenHashCode()
{
foreach (CardSuit cardSuitValue in Enum.GetValues(typeof(CardSuit)))
{
foreach (CardType cardTypeValue in Enum.GetValues(typeof(CardType)))
{
var card = new Card(cardSuitValue, cardTypeValue);
var hashCode = card.GetHashCode();
var newCard = Card.FromHashCode(hashCode);
Assert.AreEqual(card, newCard);
}
}
}
public void GetHashCodeShouldReturn52ForKingOfSpades()
{
var card = new Card(CardSuit.Spade, CardType.King);
var hashCode = card.GetHashCode();
Assert.AreEqual(52, hashCode);
}
public void GetHashCodeShouldReturnDifferentValidValueForEachCardCombination()
{
var values = new HashSet<int>();
foreach (CardSuit cardSuitValue in Enum.GetValues(typeof(CardSuit)))
{
foreach (CardType cardTypeValue in Enum.GetValues(typeof(CardType)))
{
var card = new Card(cardSuitValue, cardTypeValue);
var cardHashCode = card.GetHashCode();
Assert.IsFalse(
values.Contains(cardHashCode),
$"Duplicate hash code \"{cardHashCode}\" for card \"{card}\"");
values.Add(cardHashCode);
}
}
}
public void GetHashCodeShouldReturn1ForAceOfClubs()
{
var card = new Card(CardSuit.Club, CardType.Ace);
var hashCode = card.GetHashCode();
Assert.AreEqual(1, hashCode);
}
